WO2018073677A1 - Appareil de moussage de lait et machine de préparation de boisson - Google Patents

Appareil de moussage de lait et machine de préparation de boisson Download PDF

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Publication number
WO2018073677A1
WO2018073677A1 PCT/IB2017/055954 IB2017055954W WO2018073677A1 WO 2018073677 A1 WO2018073677 A1 WO 2018073677A1 IB 2017055954 W IB2017055954 W IB 2017055954W WO 2018073677 A1 WO2018073677 A1 WO 2018073677A1
Authority
WO
WIPO (PCT)
Prior art keywords
milk
air
sealing element
frothing
steam
Prior art date
Application number
PCT/IB2017/055954
Other languages
English (en)
Inventor
Maurizio DIAMANTI
Original Assignee
Caffitaly System S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caffitaly System S.P.A. filed Critical Caffitaly System S.P.A.
Priority to CN201780064509.4A priority Critical patent/CN109922699B/zh
Priority to BR112019006843-0A priority patent/BR112019006843B1/pt
Publication of WO2018073677A1 publication Critical patent/WO2018073677A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4485—Nozzles dispensing heated and foamed milk, i.e. milk is sucked from a milk container, heated and foamed inside the device, and subsequently dispensed from the nozzle

Definitions

  • This invention relates in general to the beverage-making sector.
  • this invention relates to a milk frothing apparatus and to a beverage-making machine, for example for making a frothed milk or a cappuccino.
  • a flow of steam is fed through a suitably shaped nozzle in such a way as to create a pressure drop that sucks milk and air into a frothing chamber.
  • a disadvantage common to many milk frothing apparatuses of that type is that, when the flow of steam is interrupted at the end of the milk frothing step, in the ducts of the apparatus a temporary step may occur with pressure imbalances such that some drops of milk are sucked up into the air feeding duct.
  • the technical purpose which forms the basis of this invention is to provide a milk frothing apparatus that overcomes, or at least reduces, that disadvantage or that offers an alternative solution to the prior art apparatuses.
  • the milk frothing apparatus comprises a non-return device positioned in a stretch of the air feeding duct.
  • the non-return device is designed to allow a flow of air from the air inlet opening towards the frothing chamber and to stop a flow of air and/or milk towards the air inlet opening. That is useful for preventing milk from being sucked up at least into the parts of the air duct where deposits are most likely to form.
  • the non-return device physically prevents the milk from going up into the air duct and may also prevent a pressure drop from occurring in the air duct relative to the regions where the milk is found at the end of the frothing step.
  • the non-return device comprises a flexible sealing element, substantially disk- shaped, having a central region fixed to a support and an annular peripheral region intended to make contact with an annular contact element.
  • the sealing element is deformable between a first condition, in which it is in sealed contact with the annular contact element, completely closing the passage section of the air duct, and a second condition, in which its annular peripheral region is at least partly at a distance from the annular contact element, leaving a passage for the air between the sealing element and the annular contact element.
  • the sealing element is a rigid and deformable membrane.
  • the condition adopted by the sealing element is linked to a difference between the pressure acting on the first face and a pressure acting on the second face. Therefore, the sealing element spontaneously reacts to the pressure differences that are established in the air duct, in particular opening the duct for the inflow of air due to the pressure drop created by the flow of steam during the frothing step, closing at least the initial stretch of the air duct when that pressure drop is no longer present at the end of steam supplying.
  • the non-return device according to this invention is useful for making possible a short reaction time to the pressure variations, in this way effectively preventing milk from going up into the air duct.
  • the pressure difference acts on substantially the whole surface of the faces of the sealing element and therefore the resulting force is proportional to the surface.
  • the contact between the sealing element and the annular contact element is on a small annular surface and therefore the adhesion force to be overcome in order to open the air passage is limited.
  • a suitable choice of materials for example rubber (or another elastomeric material) for the sealing element and plastic for the annular contact element, is useful for reducing the possibility of the parts sticking together, as occurs in the case of non-return valves (for example of the "duckbill" type) with a rubber to rubber contact between the parts.
  • the region of contact between the sealing element and the annular contact element is not directly facing the emulsion chamber. Instead, it is protected by the sealing element. That is useful for substantially eliminating the risk of drops of milk being able to reach the contact region and stick together the sealing element and the annular contact element. Therefore, that configuration is advantageous for keeping the non-return device efficient and for minimising the need for maintenance.
  • the sealing element and in particular the whole of the non-return device is part of a removable member, thereby facilitating cleaning operations.
  • FIG. 1 is a perspective view of a portion of a beverage-making machine comprising an apparatus according to this invention
  • FIG. 2 is a first perspective cross-section view of the portion of machine of Figure 1 , in which the non-return device is not shown;
  • FIG. 3 is a second perspective cross-section view of the portion of machine in the figure
  • FIG. 4 is a perspective view of the milk frothing apparatus of the machine of Figure 1 ;
  • FIG. 5 is a perspective cross-section view of the milk frothing apparatus of Figure 4, without the milk container;
  • FIGS. 6, 7 and 8 are other cross-section views of the milk frothing apparatus of Figure 4, without the milk container;
  • FIG. 9 is an exploded perspective view of a removable member, including the non-return device, of the milk frothing apparatus of Figure 4;
  • - Figure 10 is a cross-section view of the removable member of Figure 9, in which the non-return device is in a first condition;
  • FIG. 11 is a cross-section view of the removable member of Figure 9, in which the non-return device is in a second condition;
  • FIG. 12 is a bottom view of the removable member of Figure 9.
  • a milk frothing apparatuses according to this invention is labelled with the reference character 1 and is suitable for mixing milk with air and steam to obtain frothed milk.
  • the milk frothing apparatus 1 is shown mounted on a beverage-making machine 9, in particular for making a beverage containing milk, for example a frothed milk or a cappuccino.
  • the whole of the machine 9 is not illustrated in the figures, since that is not considered necessary for the purposes of this description.
  • the machine 9 comprises a machine body, of which only a portion of an outer wall 91 is shown in the figures.
  • the machine body houses or contains a boiler for producing steam, in particular pressurised steam.
  • the boiler is schematically illustrated and is labelled 92 in Figure 2.
  • the machine 9 comprises the milk frothing apparatus 1 , which is housed in a seat made in the outer wall 91 of the machine 9.
  • the milk frothing device 1 comprises a system for mixing milk with air and steam in order to obtain frothed milk, that is to say, foamy milk incorporating air bubbles. That mixing system can be implemented according to embodiments that in themselves are already known in the sector.
  • the milk frothing apparatus 1 has a box-shaped body 11 containing a milk frothing chamber 20. That frothing chamber 20 is made, for example, in a manifold 21 .
  • the milk frothing apparatus comprises an air feeding duct 23, a milk feeding duct 25, a steam injecting nozzle 27 connected to a steam feeding duct 28, a frothed milk outfeed duct 29.
  • the frothing chamber 20 is connected, directly or by means of stretches shared by multiple ducts, to the air feeding duct 23, to the milk feeding duct 25, to the steam injecting nozzle 27 and to the frothed milk outfeed duct 29.
  • the steam injecting nozzle 27 is in communication with the boiler 92 of the machine 9 (in particular by means of the steam feeding duct 28), to receive the steam required for operation of the milk frothing apparatus 1 .
  • the boiler 92 which in use is a steam generator, is connected to a steam supplying element 95, which is fixed to the outer wall 91 and passes through it, projecting into the seat for the milk frothing apparatus 1 .
  • the steam feeding duct 28 is engaged on the steam supplying element 95.
  • the steam injecting nozzle 27 is interposed between the steam feeding duct 28 and the frothing chamber 20.
  • the nozzle 27 has a converging cross- section which, when it receives a flow of pressurised steam, creates a local pressure drop such that it causes milk to be sucked from the milk feeding duct 25 and air from the outside environment through the air feeding duct 23. Therefore, in the chamber 20 the milk, air and steam are mixed, producing a frothed milk.
  • the air feeding duct 23 puts the frothing chamber 20 in communication with an air inlet opening 30, through which the outside air is drawn in so that it can be supplied to the frothing chamber 20.
  • the air feeding duct 23 is a path composed of multiple stretches (not necessarily tubular in shape) having different shapes and arranged one after another.
  • the air inlet opening 30 is made in a member 3 that also comprises a stretch of the air feeding duct 23. That member 3 is removable, being removably inserted in a respective housing made in the box-shaped body 11 .
  • the air inlet opening 30 is a through hole made through the wall of the removable member 3 and draws air from the hollow space between the removable member 3 and the housing in which the latter is inserted. Further details about the air feeding duct 23 and the removable member 3 will be described below.
  • the milk frothing apparatus 1 comprises a milk container 5 that is connected to the milk feeding duct 25.
  • the milk container 5 has a box-shaped body 51 containing an inner space 50 intended to hold the milk to be frothed.
  • a pickup pipe 55 extends in the inner space 50 and substantially reaches the bottom of the box-shaped body 51 .
  • the opposite end of the pickup pipe 55 is equipped with a tubular connector 58 by means of which the pickup pipe is coupled to the milk feeding duct 25, thereby allowing the frothing chamber 20 to receive the milk to be frothed.
  • the milk container 5 is removably couplable to the box-shaped body 11 of the milk frothing apparatus 1 .
  • the box- shaped body 11 of the milk frothing apparatus 1 is at the top of the milk container 5.
  • the removed milk container 5 may be placed in a refrigerator to preserve the milk contained in it during a period of time when it is not used. If necessary, the milk frothing apparatus 1 may also be removed and placed in a refrigerator.
  • the components of the milk frothing apparatus 1 that are intended to make contact with the milk may be completely disassembled to make cleaning of them easier.
  • the milk frothing apparatus 1 also comprises a dispensing spout 19 that is connected to the chamber 20 by means of the outfeed duct 29 and is, therefore, designed to dispense the frothed milk produced in the chamber 20.
  • the dispensing spout 19 extends laterally from the box-shaped body 11 and in particular, during use, can dispense frothed milk directly into a cup below.
  • the milk frothing apparatus 1 also comprises a non-return device 4 positioned in a stretch of the air feeding duct 23.
  • the non-return device 4 is designed to allow a flow of air from the air inlet opening 30 towards the frothing chamber 20 and to stop a flow of air and/or milk (for example, drops of milk mixed with air) towards the air inlet opening 30.
  • the non-return device 4 comprises a sealing element 41 that extends transversally in the respective stretch of the air feeding duct 23.
  • the sealing element 41 which is substantially disk-shaped, has a first face 411 towards the air inlet opening 30 and a second face 412 towards the frothing chamber 20.
  • the first face 411 faces upstream and the second face 412 faces downstream. Therefore, the first face 411 is struck by the flow of air entering, whilst the second face 412 would be struck by any flow of air and/or milk from the frothing chamber 20 (or directly from the milk duct 25) towards the air inlet opening 30.
  • the sealing element 41 is made of deformable material, more particularly of elastically deformable material such as rubber or another elastomeric material.
  • the non-return device also comprises a support 43, to which the sealing element 41 is constrained, and an annular contact element 47 facing the first face 411 of the sealing element 41 .
  • the annular contact element 47 is a collar, inside the duct, located at a change in the cross-section (specifically, a change in diameter) of the air feeding duct 23.
  • the support 43 and the annular contact element 47 are fixed relative to the air duct 23, whilst, as explained below, the sealing element 41 has a degree of deformation or of mobility relative to them.
  • the sealing element 41 is fixed to the support 43 at a central region 415 of the sealing element 41 .
  • the support 43 has a mushroom- shaped head 431 , that is positioned substantially coaxial with the respective stretch of air feeding duct 23.
  • the sealing element 41 is fixed with a snap-fit connection on the mushroom-shaped head 431 , which in particular passes through a hole 416 at the centre of the sealing element 41 and retains the latter thanks to radial projections. Therefore, the central region of the sealing element 41 is substantially fixed relative to the air feeding duct 23.
  • the sealing element 41 has an annular peripheral region 417 (which for illustration purposes only is shown delimited by a dashed line in Figure 9) that is flexible relative to the central region 415 and is intended to make contact with the annular contact element 47.
  • the sealing element 41 is deformable between a first condition (shown in Figure 10) and a second condition (shown in Figure 11 ). In both Figures 10 and 11 the deformation of the sealing element 41 is accentuated for greater clarity.
  • the annular peripheral region 417 in particular, the first face 411 in the annular peripheral region 417) is in sealed contact with the annular contact element 47, in such a way that the sealing element 41 completely closes the passage section of the air feeding duct 23.
  • the annular peripheral region 417 is against the annular contact element 47 on the entire perimeter and therefore the two operating in conjunction with each other do not leave any passage for a flow of air and/or milk.
  • the annular peripheral region 417 is at least partly at a distance from the annular contact element 47, in such a way that a passage for the air is available between the sealing element 41 and the annular contact element 47.
  • the annular peripheral region 417 is not in contact with the annular contact element 47 because it is moved in the downstream direction. Thanks to the passage created in this way, a flow of air can move past the annular contact element and, by going around the edge of the sealing element 41 , can continue towards the frothing chamber 20.
  • the path of the flow of air from the inlet opening 30 as far as the outfeed of the non-return device 4 is schematically indicated with dashed lines labelled 300.
  • the annular peripheral region 417 is at a distance from the annular contact element 47 on its entire perimeter, so that the passage for the air is an annular passage that involves the whole edge of the sealing element 41 .
  • the deformed sealing element 41 has a conical shape, whose taper varies with the deformation.
  • the sealing element deforms in a similar way to the canopy of an umbrella, in which between the closed condition and the open condition the peripheral edge moves axially relative to the centre and its diameter is reduced.
  • the sealing element 41 that movement is not very accentuated because a small deformation is enough (and therefore a small distance from the annular contact element 47) to create a sufficient passage for the quantity of air to be used for frothing the milk.
  • the condition adopted by the sealing element 41 is linked to a difference between the pressure acting on the first face 411 (that is to say, the upstream pressure) and a pressure acting on the second face 412 (that is to say, the downstream pressure). Therefore, the sealing element 41 automatically responds to the pressure conditions upstream and downstream of it.
  • the flow of steam in the nozzle 27 creates a pressure drop downstream of the sealing element 41 .
  • the nozzle 27 forms a device with Venturi effect, in itself known in the sector.
  • the pressure acting on the second face 412 is less than the atmospheric pressure acting on the first face 411 , therefore acting on the sealing element 41 there is a resulting force (in the downstream direction) that deforms it, bringing it into the second condition and so allowing the inflow of air towards the frothing chamber 20.
  • the sealing element 41 is elastically deformable. Relative to the first condition, the sealing element 41 is deformed in the second condition when the difference between the upstream pressure and the downstream pressure is greater than a threshold value.
  • the sealing element 41 has an elastic return towards the first condition when the pressure difference is zeroed.
  • the non-return device 4 is normally in a closed condition and it only opens during the frothing step, after the pressure drop produced by the steam nozzle 27.
  • the sealing element 41 may be deformed relative to a home condition, although it is less deformed than in the second condition.
  • the sealing element 41 is not perfectly flat and is deformed, in other words, it is preloaded. That is useful for ensuring that the sealing element 41 presses with a predetermined force against the annular contact element 47, in order to guarantee a sealed contact.
  • the sealing element 41 is mounted on the removable member 3. That is useful for allowing easy cleaning of the nonreturn device 4 without the need to disassemble parts of the apparatus 1 . In fact, in order to gain access to the sealing element 41 it is sufficient to pull the removable member 3 out of its housing.
  • the removable member 3 also comprises the support 43 and the annular contact element 47, therefore the removable member 3 includes the whole non-return device 4. That is useful for making possible complete cleaning of the non-return device 4, in order to eliminate all milk deposits in the air duct 23.
  • the removable member 3 comprises a cylindrical shell 31 in which the air inlet opening 30 is made.
  • the removable member 3 also comprises a body 32 that is inserted in the cylindrical shell 31 and has a cavity 33 for air transit, the cavity 33 communicating with the air inlet opening 30. Therefore, the cavity 33 is a stretch of the air feeding duct 23. In particular, the cavity 33 constitutes an initial stretch of the air duct 23. If necessary, the cylindrical shell 31 may have a further air inlet opening 30a.
  • the removable member 3 comprises a seat for the sealing element 41 , said seat being for example the bottom of the body 32 at the mouth of the cavity 33.
  • the support 43 is part of the body 32 and extends in the cavity 33 as far as the seat.
  • the annular contact element 47 is made at the mouth of the cavity 33 that faces the seat for the sealing element 41 .
  • the annular contact element 47 is a collar formed by the change in diameter between the seat and the cavity 33.
  • the diameter of the seat that is to say, the diameter of the bottom of the body 32
  • the diameter of the cavity 33 is greater than the diameter of the cavity 33.
  • the sealing element 41 is a circular disk having a diameter that is intermediate between the diameter of the cavity 33 and the diameter of the seat.
  • the removable member 3 also comprises a lever grip 35, that is fixed to the cylindrical shell 31 by means of a pin or screw 36.
  • the lever grip 35 projects from the box-shaped body 11 and enables it to be gripped by a user, for example to remove the removable member 3.
  • the removable member 3 may also have a control function for controlling the flow of air through the air duct 23. Specifically, the removable member 3 in the respective housing can be rotated about its own axis between a normal operating position, corresponding to a flow of air suitable for milk frothing, and a position for running a cleaning cycle. The removable member 3 can also be moved into a position in which it can be disengaged from the box-shaped body 11 , so that it can be pulled out and removed for cleaning by the user.
  • the machine 9 also comprises an infusion chamber (not illustrated) for making a second beverage, in particular for making coffee, and a respective dispensing spout (also not illustrated) for dispensing the second beverage.
  • the infusion chamber and the other parts necessary for making the second beverage are housed in the machine body.
  • This invention relates in particular to the aspects relating to making frothed milk, whilst the aspects relating to making a beverage by infusion may be implemented as in prior art apparatuses and, therefore, they are not described in further detail herein.
  • combined use of the milk frothing apparatus 1 and of the infusion chamber enables, for example, a cappuccino to be made.
  • the sealing element 41 could be a non-circular disk (for example elliptical) or even a disk with a polygonal shape.
  • substantially disk-shaped means that the sealing element has a mainly two-dimensional shape, approximately with radial symmetry relative to a central region, meaning that it has two opposite faces and a thickness that is small compared with the faces.
  • the purpose of the shape of the sealing element 41 is substantially to adapt to the shape of the passage section of the respective stretch of air duct (in order to be able to close it operating in conjunction with the contact element 47) and to deform in the ways described above.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

La présente invention concerne un appareil de moussage de lait (1) approprié pour mélanger du lait avec de l'air et de la vapeur pour obtenir du lait mousseux. L'appareil de moussage de lait (1) comprend une chambre de moussage (20) qui est reliée à un conduit d'alimentation en air (23), à un conduit d'alimentation en lait (25) et à une buse d'injection de vapeur (27). Lors de l'utilisation, un flux de vapeur dans la buse d'injection de vapeur (27) crée une chute de pression qui aspire le lait et l'air dans la chambre de moussage (20), à travers les conduits d'alimentation respectifs (23, 25), ce qui permet de mélanger le lait avec de l'air et de la vapeur. Dans le conduit d'alimentation en air (23), qui met la chambre de moussage (20) en communication avec une ouverture d'entrée d'air (30), se trouve un dispositif de non-retour (4) qui est conçu pour permettre un écoulement d'air de l'ouverture d'entrée d'air (30) vers la chambre de moussage (20) et pour arrêter un écoulement d'air et/ou de lait vers l'ouverture d'entrée d'air (30). Le dispositif de non-retour (4) comprend un élément d'étanchéité (41), sensiblement en forme de disque, qui présente une région centrale (415) fixée à un support (43) et qui présente une région périphérique annulaire (417) qui est destinée à entrer en contact avec un élément de contact annulaire (47). L'élément d'étanchéité (41) est déformable entre un premier état, dans lequel la région périphérique annulaire (417) est en contact étanche avec l'élément de contact annulaire (47), fermant complètement la section de passage du conduit d'air (23), et un second état, dans lequel la région périphérique annulaire (417) est au moins partiellement à une distance de l'élément de contact annulaire (47), laissant un passage pour l'air entre l'élément d'étanchéité (41) et l'élément de contact annulaire (47). L'état adopté par l'élément d'étanchéité (41) est lié à une différence entre la pression en amont et la pression en aval de l'élément d'étanchéité (41).
PCT/IB2017/055954 2016-10-20 2017-09-28 Appareil de moussage de lait et machine de préparation de boisson WO2018073677A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780064509.4A CN109922699B (zh) 2016-10-20 2017-09-28 牛奶起泡装置以及饮料制作机器
BR112019006843-0A BR112019006843B1 (pt) 2016-10-20 2017-09-28 Aparelho de espumação de leite e máquina de fazer bebidas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102016000105915A IT201600105915A1 (it) 2016-10-20 2016-10-20 Apparecchiatura montalatte e macchina per la preparazione di una bevanda
IT102016000105915 2016-10-20

Publications (1)

Publication Number Publication Date
WO2018073677A1 true WO2018073677A1 (fr) 2018-04-26

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ID=58054417

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2017/055954 WO2018073677A1 (fr) 2016-10-20 2017-09-28 Appareil de moussage de lait et machine de préparation de boisson

Country Status (4)

Country Link
CN (1) CN109922699B (fr)
BR (1) BR112019006843B1 (fr)
IT (1) IT201600105915A1 (fr)
WO (1) WO2018073677A1 (fr)

Citations (4)

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US4922810A (en) * 1988-02-04 1990-05-08 Alberto Siccardi Automatic device for obtaining frothy milk
US20030106433A1 (en) * 2000-05-19 2003-06-12 Renzo Oldani Device for heating and frothing a liquid, in particular milk
WO2005074770A1 (fr) * 2004-02-10 2005-08-18 Tecnolab Snc Di Sanna Massimo & C. Dispositif de preparation et de distribution d'un liquide chauffe et en mousse aeree, notamment du lait pour la preparation de cappuccino
US20100212508A1 (en) * 2009-02-24 2010-08-26 Jura Elektroapparte AG Dispensing device and coffee machine for milk and milk foam

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ITMI20010951A1 (it) * 2001-05-09 2002-11-09 Metallurg Lux S R L Macchina domestica per fare il cappuccino
NL1028460C2 (nl) * 2005-03-04 2006-09-06 Sara Lee De Nv Inrichting voor het bereiden en afgeven van al dan niet althans gedeeltelijk opgeschuimde dranken.
ATE384464T1 (de) * 2005-11-11 2008-02-15 Gruppo Cimbali Spa Automatische vorrichtung zum erhitzen und schäumen von milch
US20070272160A1 (en) * 2006-05-10 2007-11-29 Michael Berentzen Modified milk-collecting component
DE202007008815U1 (de) * 2007-06-21 2007-11-29 Mahlich, Gotthard Mehrportionbehälter für pulverförmige Getränkebasisstoffe
EP2156771A1 (fr) * 2008-08-19 2010-02-24 Koninklijke Philips Electronics N.V. Dispositif et procédé de refroidissement d'un liquide
DE102010060348A1 (de) * 2010-11-04 2012-05-10 Wik Far East Ltd. Verfahren zum Steuern der Ausgabe zumindest eines Getränkebestandteils eines Kaffee-Milch-Mischgetränkes bei einem Kaffeevollautomaten
CN102225009B (zh) * 2011-05-11 2013-04-24 周仲森 一种咖啡机牛奶发泡器
CN202714725U (zh) * 2012-08-08 2013-02-06 漳州灿坤实业有限公司 一种具有自动清洗功能的奶泡机
JP5740703B2 (ja) * 2013-08-29 2015-06-24 株式会社テックスイージー 発泡飲料泡立て装置及び方法
DE102015100489A1 (de) * 2015-01-14 2016-07-14 Eugster/Frismag Ag Getränkezubereitungsvorrichtung sowie Betriebsverfahren
CN204520336U (zh) * 2015-03-25 2015-08-05 广东新宝电器股份有限公司 牛奶发泡系统的调节装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922810A (en) * 1988-02-04 1990-05-08 Alberto Siccardi Automatic device for obtaining frothy milk
US20030106433A1 (en) * 2000-05-19 2003-06-12 Renzo Oldani Device for heating and frothing a liquid, in particular milk
WO2005074770A1 (fr) * 2004-02-10 2005-08-18 Tecnolab Snc Di Sanna Massimo & C. Dispositif de preparation et de distribution d'un liquide chauffe et en mousse aeree, notamment du lait pour la preparation de cappuccino
US20100212508A1 (en) * 2009-02-24 2010-08-26 Jura Elektroapparte AG Dispensing device and coffee machine for milk and milk foam

Also Published As

Publication number Publication date
CN109922699A (zh) 2019-06-21
BR112019006843A2 (pt) 2019-06-25
IT201600105915A1 (it) 2018-04-20
CN109922699B (zh) 2021-04-23
BR112019006843B1 (pt) 2023-04-18

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